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| 1 | SITC of Modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units (suitable for cooling/heating having 100% hermetically sealed inverter type twin Rotary/Scroll Compressors), minimum two compressors (with individual seperate PCB) for above 14HP modules, microprocessor based Controller, top discharge type condensing units), with R-410-A Refrigerant or equivalent, vibration Isolators with suitable foundation etc. complete as required.To have better efficiency condensor fan shall be capable to operate at different speed with respect to load. The unit shall deliver the rated capacity and in confirmation as per IS 18728:2024 and CPWD Specifications and work even at 50°C ambient temperature without tripping. The system shall be able to deliver 100% of the rated capacity upto 39 Degree Celcius outdoor temperature. The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50HzAC power supply and BMS compatible. The unit shall be filled with first charge of the refrigerant and ready for use as required. The condenser should be coated with a hydrophilic film to prevent water accumulation on the surface of the heat exchanger, enhance water dispersion, and reduce the risk of degradation, thereby improving overall performance and durability. The Indian Seasonal Energy Efficiency Ratio (ISEER) of the unit shall be as per Energy Conservation and Sustainable Building Code (ECSBC) 2024 as below and complete as per CPWD specification, connections, inter connections etc. as required. (For capacity <40 kWr ISEER 7.4, Capacity > 40 and <70 ISEER 7.5, Capacity > 70ISEER 7.6 for Super ECSBC Building)Make - Toshiba, Mitsubishi, Trane, Hisense. |
| 2 | 20 HP (10HP + 10 HP) |
| 3 | SITC of following minimum capacity and external static pressure VRF/VRV celling mounted cassette unit type Indoor unit equipped with washable synthetic media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, corded remote control, outer cabinet, vibration Isolators, drain pan, drain pump, other necessary supports etc., suitable for operation on single phase AC supply 230 V ≤ 10%, 50 Hz complete as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. (Make will be same as of Outdoor)Make - Toshiba, Mitsubishi, Trane, Hisense. |
| 4 | 3 TR Cassette type |
| 5 | SITC including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRVVRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessories as per specifications etc. as required.Make - Mandev, Maxflow, Hari Om Metals. |
| 6 | Copper Piping 9.5 mm dia (OD) with tube thickness 1.2 mm with 19 mm Thick AL backed nitrile insulation |
| 7 | Copper Piping 12.7 mm dia (OD) with tube thickness 1.2 mm with 19 mm Thick AL backednitrile insulation |
| 8 | Copper Piping 15.9 mm dia (OD) with tube thickness 1.2 mm with 19 mm Thick AL backednitrile insulation |
| 9 | Copper Piping 19.1 mm dia (OD) with tube thickness 1.2 mm with 19 mm Thick AL backednitrile insulation |
| 10 | Copper Piping 25.4 mm dia (OD) with tube thickness 1.2 mm with 19 mm Thick AL backednitrile insulation |
| 11 | Copper Piping 28.6 mm dia (OD) with tube thickness 1.2 mm with 19 mm Thick AL backednitrile insulation |
| 12 | SITC of Y/T/Multi Joints. Joints shall be of same Original Equipment Manufacturer (OEM) make as of ODUs and IDUs |
| 13 | SITC of PVC drain pipe having pressure holding of 8kg/cm2. drain piping complete with all accessories with 9mm Nitrile Rubber Insulation with supports. |
| 14 | 50 mm |
| 15 | 32 mm |
| 16 | SITC of GI Perforated cable tray with cover (medium duty) with all necessary suspendors from ceiling and fittings |
| 17 | 100 mm X 75 mm (1.6mm thick) |
| 18 | 300 mm X 75 mm (1.6mm thick) |
| 19 | SITC of suitable 32 Amps RCBO (MCB + ELCB) with waterproof enclosure for 10 HP outdoor |
| 20 | SITC of power cabling for outdoor - 4C X 6 sq.mm |
| 21 | SITC of power cabling for Indoor - 3C X 2.5 sq.mm |
| 22 | SITC of control cabling between indoor and outdoor units |
| 23 | SITC of 10g copper earthing for outdoor units |
| 24 | SITC of Cowl piece for outdoor units (20 gauge 120 gsm) |
